RETICULATED PLATELETS Mnemonic MISC Synonym Immature Platelet Fraction – IPF - Reticulated Platelet Count Includes Immature Platelet Fraction % Immature Platelet Fraction Absolute Specimen Collection Requirements Collect Whole Blood, one 4.0 mL or 2.0 mL lavender (EDTA) top tube Handling Do not under fill tube, collection tubes must be filled to a minimum of 1/2 of the maximum sample volume. Do not overfill tube, collection tubes must not be filled to more than the maximum sample volume. Preferred Volume 4.0 mL lavender (EDTA) top tube must contain between 2.0 - 4.0 mL whole blood. 2.0 mL lavender (EDTA) top tube must contain between 1.0 - 2.0 mL whole blood. Minimum Volume Whole Blood, lavender (EDTA) top tube must be filled to a minimum of 1/2 of the maximum sample volume 4.0 mL tube must have 2.0 mL of blood minimum 2.0 mL tube must have 1.0 mL of blood minimum Transport Refrigerate (2-8°C) Rejection Criteria Under filled or over filled tube, frozen, clotted or grossly hemolyzed samples, incorrect anticoagulant. Stability Ambient (20-25°C): 12 hours; Refrigerated (2-8°C): 24 hours Testing Information Performed 7 days/week Reported 24 Hours Method Automated Cell Counter Reference Values Reference Values See Hematology Age Related Reference Ranges and Critical Values. CPT Codes 85055 Last Updated: Thursday, January 5, 2017 03:42:27 AM